{"product_id":"jb21250smw-circuit-breaker","title":"JB21250SMW | Circuit Breaker | 250A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for demanding industrial electrical systems, the JB21250SMW circuit breaker delivers dependable overcurrent protection for 480-volt networks. This 3-pole unit is rated at 250A, providing robust interruption capability for motor loads, feeders, and control circuits in rugged environments.\u003c\/p\u003e \u003cp\u003eAs a precise, spec-matching device, the JB21250SMW is intended for maintenance, retrofit, and replacement projects where exact amperage, pole configuration, and voltage are required.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 250A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number reference\u003c\/strong\u003e: JB21250SMW (best reference for compatibility)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eExact-spec compatibility minimizes the risk of misfit parts and reduces downtime during replacements or upgrades.\u003c\/li\u003e \u003cli\u003eUsing the correct 3-pole, 480V breaker helps protect critical loads, from motors to feeders, ensuring smoother operation and reliable interrupt protection.\u003c\/li\u003e \u003cli\u003eThe JB21250SMW part number serves as the most reliable anchor for sourcing and cross-checks, simplifying procurement in busy maintenance environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service of existing 480V distribution panels that require 250A, 3-pole protection.\u003c\/li\u003e \u003cli\u003eRetrofit projects updating legacy systems to current protection specs without changing panel hardware.\u003c\/li\u003e \u003cli\u003eReplacement for failed breakers in industrial plants where precise spec matching is essential for safe operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant note\u003c\/strong\u003e: Confirm fit and ratings before ordering. Having the part number JB21250SMW handy helps ensure you’re pulling the exact unit needed, reducing mis-orders and speeding up your project timelines.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46426209648802,"sku":"JB21250SMW","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/jb21250smw-circuit-breaker-250a-3-pole-480v-474.webp?v=1789534984","url":"https:\/\/www.ampstate.com\/products\/jb21250smw-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}